/*
 * Copyright 2021 Fraunhofer Institute for Software and Systems Engineering
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.fraunhofer.isst.dataspaceconnector.camel.config.context;

import org.apache.camel.builder.DeadLetterChannelBuilder;
import org.apache.camel.processor.errorhandler.RedeliveryPolicy;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Defines beans required for error handling.
 */
@Configuration
public class ErrorHandlerConfig {

    /**
     * Returns a DeadLetterChannelBuilder instance that routes all failed exchanges to the
     * designated error handler route.
     *
     * @return the DeadLetterChannelBuilder
     */
    @Bean
    public DeadLetterChannelBuilder errorHandler() {
        final var dlcBuilder = new DeadLetterChannelBuilder();
        dlcBuilder.setDeadLetterUri("direct:deadLetterChannel");
        dlcBuilder.setRedeliveryPolicy(new RedeliveryPolicy().disableRedelivery());
        return dlcBuilder;
    }

}
